Pith Number

pith:3OVMVZ52

pith:2026:3OVMVZ52HRQP3465U2YHFTCG4K

not attested not anchored not stored refs pending

Visibility nowcasting in South Korea: a machine learning approach to class imbalance and distribution shift

Bong Gyun Shin, Chan Sik Lee, Hyesun Suh

arxiv:2605.21507 v1 · 2026-05-09 · physics.ao-ph · cs.AI · cs.CE · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OVMVZ52HRQP3465U2YHFTCG4K}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-22T00:02:27.228159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbaacae7ba3c60fdf3dda6b072cc46e2a0ff06bc412f2e3b444334939a7c1de8

Aliases

arxiv: 2605.21507 · arxiv_version: 2605.21507v1 · doi: 10.48550/arxiv.2605.21507 · pith_short_12: 3OVMVZ52HRQP · pith_short_16: 3OVMVZ52HRQP3465 · pith_short_8: 3OVMVZ52

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/3OVMVZ52HRQP3465U2YHFTCG4K \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: dbaacae7ba3c60fdf3dda6b072cc46e2a0ff06bc412f2e3b444334939a7c1de8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16e18daa5e2f04b0dff546fffdb315c9b6d85ff2fbcc6d8c2d0e8f0909b5b351",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CE",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2026-05-09T16:58:22Z",
    "title_canon_sha256": "1b54b9d0b9aa44b04241740dbd538cf0abf6d626790dbd1f400db1a4cfb4a479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21507",
    "kind": "arxiv",
    "version": 1
  }
}